ISSN 0974-7907 (Online) OPEN ACCESS ISSN 0974-7893 (Print) 26 November 2018 (Online & Print) Vol. 10 | No. 13 | 12715–12858 10.11609/jot.2018.10.13.12715-12858 www.threatenedtaxa.org Building evidence for conservatonJ globally TTJournal of Threatened Taxa ISSN 0974-7907 (Online); ISSN 0974-7893 (Print) Published by Typeset and printed at Wildlife Informaton Liaison Development Society Zoo Outreach Organizaton No. 12, Thiruvannamalai Nagar, Saravanampat - Kalapat Road, Saravanampat, Coimbatore, Tamil Nadu 641035, India Ph: 0 938 533 9863 Email: [email protected], [email protected] www.threatenedtaxa.org EDITORS Christoph Kuefer, Insttute of Integratve Biology, Zürich, Switzerland Founder & Chief Editor Christoph Schwitzer, University of the West of England, Clifon, Bristol, BS8 3HA Dr. Sanjay Molur, Coimbatore, India Christopher L. Jenkins, The Orianne Society, Athens, Georgia Cleofas Cervancia, Univ. of Philippines Los Baños College Laguna, Philippines Managing Editor Colin Groves, Australian Natonal University, Canberra, Australia Mr. B. Ravichandran, Coimbatore, India Crawford Prentce, Nature Management Services, Jalan, Malaysia C.T. Achuthankuty, Scientst-G (Retd.), CSIR-Natonal Insttute of Oceanography, Goa Associate Editors Dan Challender, University of Kent, Canterbury, UK Dr. B.A. Daniel, Coimbatore, India D.B. Bastawade, Maharashtra, India Dr. Ulrike Streicher, Wildlife Veterinarian, Danang, Vietnam D.J. Bhat, Retd. Professor, Goa University, Goa, India Ms. Priyanka Iyer, Coimbatore, India Dale R. Calder, Royal Ontaro Museum, Toronto, Ontario, Canada Dr. Manju Siliwal, Dehra Dun, India Daniel Brito, Federal University of Goiás, Goiânia, Brazil Dr. Meena Venkataraman, Mumbai, India David Mallon, Manchester Metropolitan University, Derbyshire, UK David Olson, Zoological Society of London, UK Editorial Advisors Davor Zanella, University of Zagreb, Zagreb, Croata Ms. Sally Walker, Coimbatore, India Deepak Apte, Bombay Natural Hisotry Society, Mumbai, India Dr. Robert C. Lacy, Minnesota, USA Diana Doan-Crider, Texas A&M University, Texas, USA Dr. Russel Mitermeier, Virginia, USA Dietmar Zinner, German Primate Center, Götngen, Germany Dr. Thomas Husband, Rhode Island, USA Dunston P.Ambrose, St. Xavier’s College, Palayamkotai, India Dr. Jacob V. Cheeran, Thrissur, India E. Vivekanandan, Central Marine Fisheries Research Insttute, Kochi, India Prof. Dr. Mewa Singh, Mysuru, India Eduard Vives, Museu de Ciències Naturals de Barcelona, Terrassa, Spain Mr. Stephen D. Nash, Stony Brook, USA Eric Smith, University of Texas, Arlington, USA Dr. Fred Pluthero, Toronto, Canada Erin Wessling, Max Planck Insttute for Evolutonary Anthropology, Germany Dr. Martn Fisher, Cambridge, UK Errol Vela, University of Montpellier, Montpellier, France Dr. Ulf Gärdenfors, Uppsala, Sweden Farkhanda Manzoor Dugal, Lahore College for Women University, Pakistan Dr. John Fellowes, Hong Kong F.B. Vincent Florens, University of Mauritus, Mauritus Dr. Philip S. Miller, Minnesota, USA Ferdinando Boero, Università del Salento, Lecce, Italy Prof. Dr. Mirco Solé, Brazil Francesco Dal Grande, Senckenberg Gesellschaf für Naturforschung, Frankfurt Frederic H. Martni, University of Hawaii at Manoa, Hanolulu, Hawaii. Editorial Board George Mathew, Kerala Forest Research Insttute, Peechi, India Subject Editors 2015–2017 Gernot Vogel, Heidelberg, Germany Aaron Bauer, Villanova University, Villanova, USA Giovanni Amori, CNR - Insttute of Ecosystem Studies, Rome, Italy Amazonas Chagas Júnior, Universidade Federal de Mato Grosso, Cuiabá, Brasil Gombobaatar Sundev, Professor of Ornithology, Ulaanbaatar, Mongolia Anders G.J. Rhodin, Chelonian Research Foundaton, Lunenburg, USA G.P. Mandal, Zoological Survey of India, Kolkata, India A. Biju Kumar, University of Kerala, Thiruvananthapuram, India G.P. Sinha, Botanical Survey of India, Allahabad, India A.J. Solomon Raju, Andhra University, Visakhapatnam, India Hari Balasubramanian, EcoAdvisors, Nova Scota, Canada A.J.T. Johnsingh, Nature Conservaton Foundaton, Mysuru, India Hayrünisa Baş Sermenli, Muğla University, Kötekli, Turkey Albert G. Orr, Grifth University, Nathan, Australia H.C. Nagaveni, Insttute of Wood Science and Technology, Bengaluru, India Alessandre Pereira Colavite, Universidade Federal da Paraíba, Brazil H.C. Paulo Corgosinho, Bairro Universitário, Frutal, Brazil Alexi Popov, Natonal Museum of Natural History, Sofa, Bulgaria H.N. Kumara, Salim Ali Centre for Ornithology and Natural History, Anaikaty, India Alexander Ereskovsky, IMBE, Marseille, France H. Raghuram, The American College, Madurai, India Andreas Köhler, Universidade de Santa Cruz do, Brazil Hector Barrios-Garrido, James Cook University, Townsville, Australia Angela R. Glatston, Roterdam Zoo, The Netherlands Heidi S. Riddle, Riddle’s Elephant and Wildlife Sanctuary, Arkansas, USA Anjana Silva, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka Hem Sagar Baral, Charles Sturt University, NSW Australia Ankita Gupta, ICAR-NBAIR, Bengaluru, India Hemant V. Ghate, Modern College, Pune, India Annemarie Ohler, Muséum natonal d’Histoire naturelle, Paris, France Heok Hee Ng, Natonal University of Singapore, Science Drive, Singapore Ansie Dippenaar-Schoeman, University of Pretoria, Queenswood, South Africa Himender Bhart, Punjabi University, Patala, India Antonio D. Brescovit, Insttuto Butantan, Brasil Hui Xiao, Chinese Academy of Sciences, Chaoyang, China Antonio A. Mignucci-Giannoni, Universidad Interamericana de Puerto Rico, Puerto Rico Ian J. Kitching, Natural History Museum, Cromwell Road, UK Anwaruddin Chowdhury, The Rhino Foundaton for nature in North East India, Guwahat, India Ian Redmond, UNEP Conventon on Migratory Species, Lansdown, UK Aparna Watve, Tata Insttute of Social Sciences, Osmanabad, India Indraneil Das, Sarawak, Malaysia Arthur Y.C. Chung, Sabah Forestry Department, Sandakan, Sabah, Malaysia Ivana Karanovic, Hanyang University, Seoul, Korea Asheesh Shivam, Nehru Gram Bhart University, Allahabad, India J. Jerald Wilson, King Abdulaziz University, Jeddah, Saudi Arabia Ashwin Naidu, University of Arizona, Tucson, USA J.W. Duckworth, IUCN SSC, Bath, UK B.C. Choudhury (Retd.), Wildlife Insttute of India, Dehradun, India. Jack Tordof, Critcal Ecosystem Partnership Fund, Arlington, USA B. Ravi Prasad Rao, Sri Krishnadevaraya University, Anantpur, India Jan Zima, Insttute of Vertebrate Biology, Brno, Czech Republic B. Shivaraju, Bengaluru, Karnataka, India James M. Carpenter, American Museum of Natural History, New York, USA B.S. Kholia, Botanical Survey of India, Gangtok, Sikkim, India James Young, Hong Kong Lepidopterists’ Society, Hong Kong Bolívar R. Garcete-Barret, FACEN, Universidad Nacional de Asunción, Paraguay Jean-Pierre Boudot, University of Lorraine, Nancy, France Bret C. Ratclife, University of Nebraska, Lincoln, USA Jef McNeely, IUCN, Gland, Switzerland Brian Fisher, California Academy of Sciences, USA Jesse Leland, Southern Cross University, New South Wales, Australia C. Raghunathan, Zoological Survey of India, Andaman and Nicobar Islands Jill Pruetz, Iowa State University, Ames, USA C. Srinivasulu, Osmania University, Hyderabad, India Jim Sanderson, Small Wild Cat Conservaton Foundaton, Hartord, USA Carl Ferraris, Smithsonian Insttuton, Portland, USA Jodi L. Sedlock, Lawrence University, Appleton, USA Carol Inskipp, Bishop Auckland Co., Durham, UK John C. Morse, Clemson University, Long Hall, Clemson, USA Cecília Kierulf, Victorville , California John Huber, Canadian Natonal Collecton of Insects, Ontario, Canada. Cecilia Volkmer Ribeiro, Porto Alegre, Brazil. John Noyes, Natural History Museum, London, UK Chris Bowden, Royal Society for the Protecton of Birds, Sandy, UK John Veron, Coral Reef Foundaton, Townsville, Australia contnued on the back inside cover Capton: Diverse! Colourful! Almost Magical! Beetles are all around us from ancient cultures, art and entertainment to being considered pests, food, medicine, biodiversity indicators and even inspiraton for technologies. This pencil and pen sketch by Priyanka Iyer, Zoo Outreach Organizaton is to celebrate Beetles. Journal of Threatened Taxa | www.threatenedtaxa.org | 26 November 2018 | 10(13): 12715–12725 Article The attern of bird distribution along the elevation gradient of the Sutlej River basin, western Hialaa, India Balraj Santhakumar 1 , P. Ramachandran Arun 2 , Ramapurath Kozhummal Sony 3 , ISSN 0974-7907 (Online) ISSN 0974-7893 (Print) Maruthakut Murugesan 4 & Chinnasamy Ramesh 5 1,2 Environmental Impact Assessment Division (EIA), Sálim Ali Centre for Ornithology & Natural History, Anaikaty, OPEN ACCESS Coimbatore, Tamil Nadu 641108, India 3 Academy for Conservaton Science and Sustainability Studies, Ashoka Trust for Research in Ecology and the Environment (ATREE), Sriramapura, Jakkur Post, Bengaluru, Karnataka 560064, India 4 Botanical Survey of India, Eastern Regional Centre, Shillong, Meghalaya 793003, India 5 Department of Populaton Management, Capture & Rehabilitaton, Wildlife Insttute of India, Dehradun, Utarakhand 248001, India 1 srshanthgmail.com (corresponding author), 2 eiasacongmail.com, 3 sony.rkatree.org, 4 taxonmurugeshgmail.com, 5 ramesh.czoogmail.com Abstract: We examined the species richness of birds along the elevaton gradient of the Sutlej River basin in Himachal Pradesh in the western Himalaya of India. Birds were sampled at 318 sites categorized into 16 elevaton bands ranging from 498 to 3700 m between June 2012 and April 2013. A total of 203 bird species were recorded. Species richness showed a monotonic decline with increasing